Red Hat Codeready Linux Builder vulnerabilities

42 CVEs affecting Red Hat Codeready Linux Builder, 4 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-13601, published 2025-11-26.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2022-0847: Linux Kernel Privilege Escalation Vulnerability, published 2022-03-10. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2022-04-25. EPSS: 92.8% chance of exploitation in the next 30 days. A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus…
CVE-2023-4911: GNU C Library Buffer Overflow Vulnerability, published 2023-10-03. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2023-11-21. EPSS: 63.8% chance of exploitation in the next 30 days. A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously…
CVE-2022-0492: Linux Kernel Improper Authentication Vulnerability, published 2022-03-03. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2026-06-02. EPSS: 5.5% chance of exploitation in the next 30 days. A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1…
CVE-2019-8720: WebKitGTK Memory Corruption Vulnerability, published 2023-03-06. High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2022-05-23. EPSS: 1.6% chance of exploitation in the next 30 days. A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple…
CVE-2021-44142, published 2022-02-21. High severity, CVSS 8.8. EPSS: 73.6% chance of exploitation in the next 30 days. The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba…
CVE-2022-0435, published 2022-03-25. High severity, CVSS 8.8. EPSS: 67.8% chance of exploitation in the next 30 days. A stack overflow flaw was found in the Linux kernel's TIPC protocol functionality in the way a user sends a packet with malicious content where the number of domain member nodes is higher than the 64…
CVE-2021-3737, published 2022-03-04. High severity, CVSS 7.5. EPSS: 13.2% chance of exploitation in the next 30 days. A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an…
CVE-2025-3155, published 2025-04-03. High severity, CVSS 7.4. EPSS: 13.1% chance of exploitation in the next 30 days. A flaw was found in Yelp. The Gnome user help application allows the help document to execute arbitrary scripts. This vulnerability allows malicious users to input help documents, which may…
CVE-2021-3733, published 2022-03-10. Medium severity, CVSS 6.5. EPSS: 4.8% chance of exploitation in the next 30 days. There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client (such as web browser) connects to, could trigger a Regular Expression…
CVE-2019-11135, published 2019-11-14. Medium severity, CVSS 6.5. EPSS: 3.1% chance of exploitation in the next 30 days. TSX Asynchronous Abort condition on some CPUs utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access.

Latest

CVE-2025-13601, published 2025-11-26. High severity, CVSS 7.7. EPSS: 0.3% chance of exploitation in the next 30 days. A heap-based buffer overflow problem was found in glib through an incorrect calculation of buffer size in the g_escape_uri_string() function. If the string to escape contains a very large number of…
CVE-2025-2784, published 2025-04-03. Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days. A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing content via the skip_insight_whitespace() function. Libsoup clients may read one byte out-of-bounds in…
CVE-2023-3758, published 2024-04-18. High severity, CVSS 7.1. EPSS: 1% chance of exploitation in the next 30 days. A race condition flaw was found in sssd where the GPO policy is not consistently applied for authenticated users. This may lead to improper authorization issues, granting or denying access to…
CVE-2024-1488, published 2024-02-15. High severity, CVSS 7.3. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability was found in Unbound due to incorrect default permissions, allowing any process outside the unbound group to modify the unbound runtime configuration. If a process can connect over…
CVE-2023-5455, published 2024-01-10. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. A Cross-site request forgery vulnerability exists in ipa/session/login_password in all supported versions of IPA. This flaw allows an attacker to trick the user into submitting a request that could…
CVE-2024-0193, published 2024-01-02. Medium severity, CVSS 6.7. EPSS: 0.8% chance of exploitation in the next 30 days. A use-after-free flaw was found in the netfilter subsystem of the Linux kernel. If the catchall element is garbage-collected when the pipapo set is removed, the element can be deactivated twice. This…
CVE-2023-4641, published 2023-12-27. Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days. A flaw was found in shadow-utils. When asking for a new password, shadow-utils asks the password twice. If the password fails on the second attempt, shadow-utils fails in cleaning the buffer used to…
CVE-2023-5633, published 2023-10-23. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a…